Information about your Environment Software

you can look for opensource components on opencores (http://www.opencores.org), or go to the Altera website and browse the third party IP lists to find what you are looking for.

Most of the IP listed on the Altera website need an extra license that you will need to buy, but they also include support. Some of those components can be tried for free, with some restrictions (USB cable connected, and no possibility to flash the design, in most cases).